All-glass-and-PTFE vacuum manifold with three, four or five stopcock ports. Each port is a variable opening, 0-10mm, high vacuum threaded stopcock. Plugs are PTFE with Nylon or PTFE handles and FETFE O-Rings. Ultimate vacuum of 10-7 can be realized with O-Rings as supplied. For bakable systems, order bakeable plugs with PTFE handles. Hose connections on stopcocks and vacuum line are size E for 13-15mm O.D. tubing For replacement plugs, see 8194-270 or 8194-97. Available left side connection (illustration) or right side connection.